2015 MERCEDES-BENZ C-CLASS COUPE Owners Manual

"Coupling up
atrailer" function :
Vehicle centrep oint on the yellow guide line
at ad istance of approximately 1.0 mfrom
the rear of the vehicle
; Trailerd rawbar
= Red guide line at adistance of approximately
0.30 mfrom the rear of the vehicle
X Set the height of trailer drawbar ;so that it
is slightly higher than the ball coupling.
X Position the vehicle centrally in front of trailer
drawbar ;. :
Symbol for the trailer view setting
; Trailerd rawbarlocating aid
= Ball coupling
? Red guide line at adistance of approximately
0.30 mfrom the ball coupling
X Select symbol :using the controller.
The "Coupling up atrailer" function is selec-
ted. The distance specifications now only
apply to objects that are at the same level as
the ball coupling.
X Reverse carefully,m aking sure trailer drawbar
locating aid ;points approximately in the
direction of the trailer drawbar. X
Reverse carefully until the trailer drawbarr ea-
ches red guide line ?.
The distance between the trailer drawbara nd
the red guide line is now approximately
0.30 m.
X Couple up the trailer (Y page 227).
i For technical reasons, the ball coupling of
the trailer tow hitch in the multimedia system
displayise ither only partiallyv isible or not at
all.
The lines are shown at the level of the trailer tow hitch.
180° view :
Symbol for the full-screen setting with the
reversing camera image
; Own vehicle
= PARKTRONIC warning displays
i 180° view can also be selected as front
view.
Select this view when you are driving out of an
exit and the view of crossing traffic is restricted,
for example.
i If you select the
%symbol in the display
and confirm with the controller, the split-
screen view appears.
Stopping the 360° camera display The 360° camera displayiss
topped:
R when you select transmission position P,or
R when you are driving at moderate speeds
The view which was active before the 360° cam-
era was displayed appears in the multimedia
display. You can also stop the 360° camera dis-
play split-screen view by selecting the %
symbol in the displaya nd then confirming with
the COMAND controller. 214
Driving systemsDriving and parking

ATTENTION ASSIST
Genera lnotes ATTENTION ASSIST help
syou during long,
monotonous journeys suc hasonmotorways
and trunk roads. It is active in th e60km/ hto
20 0k m/ hspee drange. If ATTENTION ASSIST
detects typical indicators of fatigue or increas-
ing lapse sinconcentratio nonthepart of the
driver ,itsuggest staking abreak.
Important safety notes ATTENTION ASSIST is only an aid. It may not
always detec tfatigue or lapse sinconcentration
until to olate, or may no tdetec tthe mata ll. The
system is no tasubstitut efor aw ell-reste dand
attentive driver.
The functionalit yofATTENTION ASSIST is
restricted, and warning smay be delaye dornot
occur at all:
R if th elengt hoft hejourney is less than approx-
imately 30 minutes
R if th eroad condition is poor ,e.g.ift hesurface
is uneven or if there are potholes
R if there is astron gs ide wind
R if you hav eadopted asport ydrivin gstyle with
high cornering speeds or high rates of accel-
eration
R if you are predominantly drivin gataspeed
belo w60k m/horabov e200 km/h
R if you are drivin gwitht he active Steer Assist
of DISTRONI CPLUS
R if th etimeh as been set incorrectly
R in active drivin gsituations, suc haswhen you
chang elanes or chang eyour speed
The ATTENTION ASSIST tiredness assessment
is delete dand restarte dwhen continuing the
journey, if:
R you switch off th eengine
R you tak eoff your seat belt and open th edriv-
er' sd oor ,e.g.f or ac hang eofd riversorto
tak eab reak Displaying th
eattention level You can hav
ecurren tstatus information dis-
played in th eassistanc emenu( Ypage 244) of
th eo n-bo ard computer.
X Selec tthe assistanc egraphic sdisplay for
ATTENTION ASSIST usin gthe on-board com-
puter (Y page 243).
The followin ginformation is displayed:
R thel engt hoft hejourney since th elast break
R thea ttention level determine dbyATTENTION
ASSIST (Attention level Attention level), displayed in a
bar display in fiv elevels from high to low
R if ATTENTION ASSIST is unable to calculate
thea ttention level and canno tissue awarn-
ing ,the System suspended System suspended message
appears. The bar display then changes the
display, e.g. if you are drivin gataspeedbelow
60 km/h or abov e200 km/h.
Activating ATTENTION ASSIST X
Activat eATTEN TION ASSIST usin gthe on-
boar dcom puter (Y page 246).
The system determine sthe attention level of
th ed river depending on th esetting selected:
If Standard Standard is selected: th esensitivit ywith
whic hthe system determine sthe attention level
is set to normal.
If Sensitive
Sensitive is selected: th esensitivit yisset
higher. The attention level detecte dbyATTEN-
TIO NA SSIS Tisa dapted accordingly and the
driver is warned earlier.
When ATTENTION ASSIST is deactivated, the
é symbol appear sinthemultifunction dis-
play in th eassistanc egraphic display.
When ATTENTION ASSIST has been deactivated, it is automatically reactivated after th eengine
has been switched off .The sensitivit yselected Driving systems
215Driving and parking Z

corresponds to the last selectio
nactivated
(standard/sensitive).
Warning in the multifunctio ndisplay If fatigu
eorincreasing lapse sinconcentration
are detected, awarning appears in the multi-
function display: ATTENTIONASSIST
ATTENTIO NASSIST Take a
Take a
break!
break!.
In addition to the messag eshown in the multi-
function display ,you will then hea rawarning
tone.
X If necessary, take abreak.
X Confirm the messag ebypressing the a
button on the steering wheel.
On long journeys, take regula rbreaks in good
time that allow for adequate recuperation. If you do not take abreak and ATTENTION ASSIST still
detects increasing lapse sinconcentration, you
will be warned agai nafter1 5m inutes at the
earliest. Thi swillo nly happe nifATTEN-
TION ASSIST stil ldetects typica lindicator sof
fatigu eorincreasing lapse sinconcentration.
Vehicles with COMAND Online: ifaw arning is
outpu tinthe multifunction display ,aservice
station search is performe dinCOMAND Online.
You can select aservice station and navigation
to this service station will then begin. Thi sfunc-
tion can be activate dand deactivated in
COMAND Online (se ethe separate operating
instructions). Traffic Sig
nAssist
General notes Traffic Sign Assist display
sthe maximum speed
permitted and overtaking restrictions to the
driver in the instrument cluster. Driving onto a
section of roa dinthe wrong direction triggers a warning. Traffic Sign Assist detects traffi
csigns
with multifunction camera :attached at the
top of the windscreen. The data and general
traffi cregulations store dinthe navigation sys-
tem are also used to determine the current
speed limit.
If at raffi csignt hat is relevant to your vehicle is
passed, the display of the speed limits and over-
taking restrictions is updated.
The display can also be updated withou tavisible
traffi csigni f:
R the vehicle changes roads (e.g .motorway exit
or sli proad)
R av illage or town boundary is passe dwhich is
store dinthe digita lmap
R the last traffi csignd etected by the camera
ha sn ot bee nrepeated
If as igni ndicating the end of arestriction (speed
limit or overtaking restriction) is passed, the
sig nisd isplayed for five seconds. The currently
applicabl etraffi cregulation continues to be
shown in the assistance graphi cdisplay
(Y page 243).
The camera also detects traffi csigns with a
restriction indicated by an additiona lsign( e.g .in
we tconditions).
The traffi csigns are only displayed with the
restrictions if:
R the regulation mus tbeo bserve dwitht he
restriction, or
R Traffic Sign Assist is unabl etodetermine
whether the restriction applies
If Traffic Sign Assist is unabl etodetermine a
maximum permitted speed from any of the avail- able sources, no speed limit is displayed in the
instrument cluster either. Traffic Sign Assist is not available in al
lcoun-
tries. In this case ,display :is shown in the
speedometer. 216
Drivin
gsystemsDrivin gand parking

Important safety notes
Traffic Sig
nAssist is only an aid and is no talways
able to correctl ydisplay spee dlimits and over-
taking restrictions. Traffic sign salways have pri-
ority ove rthe Traffic Sig nAssist display.
The system may be either functionally impaired
or temporarily unavailable if:
R visibilit yispoor,e.g.d ue to snow, rain ,fog or
spray
R there is glare, e.g. from th esun bein glow in
th es ky
R there is dirt ,ice or misting on th ewindscreen
in th evicinity of th ecamera
R traffic sign sare hard to detec t(dirt, ice ,sno w)
R thet raffic sign sare insufficientl ylit at night
R sign sare ambiguous (e.g. traffic sign soncon-
struction sites or in adjacent lanes)
R thei nformation in th edigital stree tmap of the
navigation system is incorrec torout of date
Activating Traffic Sign Assist X
Activat ethe Traffic Sig nAssist display using
th eo n-bo ard computer (Y page 245).
If you hav eactivated th eTraffic Sig nAssist dis-
play in th eon-bo ard computer, th etraffic regu-
lation s(speed limits and overtaking restrictions)
are displayed in th einstrumen tcluste rfor five
seconds respectively. The wrong-way warning
and th etraffic sign display for spee dlimits and
overtaking restriction sremain active in the
Assist graphic eve nwhen th edisplay has been
deactivated. Instrumen
tcluster display Speed limit with unknown restriction
:
Maximum permitte dspeed
; Maximum permitte dspee dfor vehicles for
whic hthe restriction in th eadditional sign is
relevant
= Additional sign for unknown restriction
Am aximum permitte dspee dof80k m/h
(80 mph )and aspee dlimi tof60k m/h(60 mph)
wit hanu nknown restriction apply.
No entry (wrong-way warning) If no entr
ysign sare passed, awarning message
is displayed in th einstrumen tcluste rshould
Traffic Sig nAssist detec ttha ty ou are driving in
th ew rong direction .You will then also hear a
warning tone .You should immediately check
your direction of travel in order to avoi ddanger
to yourself and other road users. Lane Tracking package
General notes The Lan
eTrackin gpackag econsists of Blind
Spot Assist (Y page 218) and Lan eKeeping
Assist (Y page 219). Driving systems
217Driving and parking Z

Blind Spo
tAssist General notes
Blind Spo tAssist monitors the areas on either
side of the vehicl ethata re not visible to the
driver with two lateral, rear-facing radar sen-
sors. Awarning display in the exterio rmirrors
draws your attentio ntovehicles detecte dinthe
monitore darea. If yo uthen switch on the cor-
responding turn signa ltochange lanes, yo uwill
also receive avisua land audibl ecollision warn-
ing.
Blind Spo tAssist supports yo ufrom aspeed of
approximatel y30km/h.
Important safety notes G
WARNING
Blind Spo tAssist does not react to vehicles:
R overtake ntoo closel yonthe side ,placing
them in the blind spo tarea
R when the difference in the speed of
approach and overtaking is too great
As aresult, Blind Spo tAssist canno twarn
driver sinthesesituations. There is ariskofan
accident.
Alway spaycarefu lattentio ntothe traffic sit-
uatio nand maintain asafed istance at the side
of the vehicle.
Blind Spo tAssist is onl yanaid.Itm ayfailto
detect som evehicles and is no substitute for
attentive driving .Alway sensure tha tther eis
sufficient distance to the side for othe rroad
users and obstacles.
Radar sensors
The radar sensors for Blind Spo tAssist are inte-
grated into the rea rbum per. Make sure tha tthe
bumpers are free from dirt, ice or slush. The
sensors must not be covered ,for exampl eby
cycl eracks or overhanging loads. Following a
severe impact or in the event of damage to the
bumpers, have the functio nofthe radar sensors
checked at aquali fied specialist workshop.
Blind Spo tAssist ma ynolonger work properly. Monitorin
grange
In particular, the detection of obstacle scan be
impaired in the cas eof:
R dirt on the sensors or obscured sensors
R poor visibility ,e.g.d ue to fog ,heavy rain,
snow or spray
R narrow vehicles, e.g .motorcycle sorbicycles
R ver yw idel an es
R narrow lanes
R vehicles not driving in the middl eoftheirlane
R barriers or othe rroa db oundaries
Vehicles in the monitoring rang eare then not
indicated. Blind Spo
tAssist monitors the are aupto3.0 m
behind your vehicl eand directl ynext to your
vehicle, as shown in the diagram.
If the lanes are narrow ,vehicles driving in the
lane beyond the lane next to your vehicl emaybe
indicated ,especially if the vehicles are not driv-
ing in the middl eoftheirlan e. Thi smaybe the
cas eift hereare vehicles at the edge of thei rlane
neares tyou rv ehicle.
Due to the nature of the system:
R warning smaybe issued in error when driving
close to crash barriers or similar solid lane
borders
R warning smaybe interrupte dwhend riving
alongsid elon gv ehicles, for exampl elorries,
for aprolonged time 218
Driving systemsDriving an
dparking

Warning display
:
Warning display
Blind Spot Assist is not active at speeds below
approximately 30 km/h. Vehicles in the moni-
toring range are then not indicated.
If av ehicl eisd etected withi nthe monitoring
range of Blind Spot Assist at speeds above
30 km/h, warning lamp :on the correspond-
ing side lights up red. This warning lamp always lights up when avehicl eenters the blind spot
monitoring range from behind or from the side.
When you overtake avehicle, the warning only
occurs if the difference in spee disless than
12 km/h.
If you select the reverse gear, Blind Spot Assist
is not operational.
The brightness of the warning lamp sisauto-
matically adapted to the brightness of the sur-
roundings.
Collisionw arning
If av ehicl eisd etected in the monitoring range of
Blind Spot Assist and you switch on the corre-
sponding turn signal, adouble warning tone
sounds. Red warning lamp :flashes. If the turn
signa lremains on, detected vehicles are indica-
ted by the flashing of red warning lamp :.
There are no further warning tones.
Activating Blind Spot Assist X Make sure that Blind Spot Assist is activated
in the on-board computer (Y page245).
X Turn the key to position 2in the ignition lock.
Warning lamps :in the exterior mirrors light
up red until the engine is started. Display in the assistance graphic
When Blind Spot Assist is activated, grey radar
waves propagating backwards appear next to
the vehicl einthe assistance display in the mul-
tifunction display .Above aspee dof30k m/h,
the colou rofthe rada rwaves in the assistance
display changes to green :.Blind Spot Assist is
then read yfor use.
Towing atrailer
If you coupl eupatrailer, make sure that you
have correctly established the electrical con-
nection. This can be accomplishe dbychecking
the trailer lighting. Blind Spot Assist is then
deactivated. The Blind Spot Assist not Blind Spot Assist not
available when towing atrailer See
available when towing atrailer See
Owner's Manual
Owner's Manual message appears in the mul-
tifunction display.
Lane Keepin gAssist General notes
Lane Keeping Assist monitors the area in front of
you rvehicl ebym eans of multifunction cam-
era :attached at the top of the windscreen.
Lane Keeping Assist detects lane markings on
the road and can warn you before you leave your lane unintentionally. Driving systems
219Driving and parking Z

This function is availabl
einaspeed range
between 60 km/ha nd 200 km/h.
Aw arning may be given if afront wheel passes
over alane marking .Itwill warn you by means of
intermittent vibration through the steering
wheel for up to 1.5 seconds.
Important safety notes G
WARNING
Lane Keeping Assist cannot alway sclearly
identify lane markings.
In these cases, Lane Keeping Assist may:
R give an unnecessary warning
R not give awarning
There is arisk of an accident.
Always pay particular attention to the traffic
situation and keep in lane, especially if Lane
Keeping Assist alerts you. G
WARNING
The Lane Keeping Assist warning does not
return the vehicle to the original lane. There is ar isk of an accident.
Always steer, apply the brakes or accelerate
the vehicle yourself, especially if Lane Keep-
ing Assist alerts you.
If you fail to adapt your driving style, Lane Keep-
ing Assist can neither reduce the risk of an acci-
dent nor override the laws of physics. Lane
Keeping Assist cannot take into account road,
weather or traffic conditions. Lane Keeping
Assist is only an aid. You are responsible for the distance to the vehicle in front ,for vehicle
speed, for braking in good time and for staying in
lane.
Lane Keeping Assist does not keep your vehicle
in its lane.
The system may be impaired or may not function if:
R there is poor visibility, e.g. due to insufficient
illumination of the road, or due to snow, rain,fog or spray
R there is glare, e.g. from oncoming traffic, the
sun or reflection from other vehicles (e.g. if
the road surface is wet)
R the windscreen is dirty, misted up, damaged
or covered, for instance by asticker, in the
vicinit yofthe camera R
no or several, unclear lane markings are pres-
ent for one lane, e.g. in aconstruction area
R the lane markings are worn away,d ark or cov-
ered up, e.g. by dirt or snow
R the distance to the vehicle in front is too small
and the lane markings thus cannot be detec-
ted
R the lane markings change quickly, e.g. lanes
branch off, cross one another or merge
R the road is narrow and winding
R there are highly variable shade conditions on
the road
Activating/deactivating Lane Keeping
Assist X
To activate: press button ;.
Indicator lamp :lights up. The Lane Keep‐ Lane Keep‐
ing
ing Assist
Assist on
onmessage appears in the mul-
tifunction display .Ifall conditions have been
satisfied, there may be awarning.
If you drive at speeds above 60 km/ha nd lane
marking sare detected, the lines in the assis-
tance graphi cdisplay (Y page 243 )are
shown in green. Lane Keeping Assist is ready
for use.
X To deactivate: press button;.
Indicato rlamp :goe sout.L aneK eeping
Assist is deactivated. The LaneKeeping
Lan eKeeping
Assist off
Assist off message appears in the multi-
functio ndisplay.
Selecting Standard or Adaptiv esetting
X In the Assistance
Assistance menu on the on-board
computer, select the Lane
LaneKeeping
Keeping Assist
Assist
functio n(Ypage 246).
X Select Standard
Standard orAdaptive
Adaptive.
Standard
When Standard Standard is selected, no warning vibra-
tio no ccurs if: 220
Driving systemsDriving an
dparking

R
you hav eswitched on th eturns ignals. In this
case, th ewarnings are suppressed for acer-
tai np eriod of time.
R ad rivin gsafet ysystem intervenes, suc has
ABS, BA SorESP®
.
Adaptive
When Adaptive Adaptive is selected, no warnin gvibra-
tion occur sif:
R you hav eswitched on th eturns ignals. In this
case, th ewarnings are suppressed for acer-
tai np eriod of time.
R ad rivin gsafet ysystem intervenes, suc has
ABS, BA SorESP®
.
R you accelerate hard, e.g. kickdown.
R you brak ehard.
R you steer actively, e.g. swerve to avoid an
obstacle or chang elan eq uickly.
R you cut th ecorner onashar pbend.
In order that you are warned only when neces-
sar yand in goo dtimeify ou cross th elan em ark-
ing, th esystem detects certain condition sand
warn syou accordingly.
The warnin gvibration occur searlier if:
R you approac hthe outer lan emarking on a
bend
R ther oadh as ver ywide lanes, e.g. amotorway
R thes ystem detects soli dlanem arkings
The warnin gvibration occur slater if:
R ther oadh as narrow lanes
R you cut th ecorner onabend Driving Assistance Plu
spackage
Genera lnotes The Drivin
gAssistance PLU Spackag econsists
of DISTRONI CPLUS(Ypage 184), Active Blind
Spot Assis t(Y page 221) and Active Lan eKeep-
in gA ssist( Ypage 223).
Active Blind Spot Assist Genera
lnotes
Active Blind Spot Assis tmonitors th earea son
either side of th evehicl ethata re no tvisible to
th ed river wit htwo lateral ,rear-facing rada rsen-
sors. Awarnin gdisplay in th eexter iorm irrors
draw syour attention to vehicles detecte dinthe
monitore darea .Ify ou then switch on th ecor- respondin
gturns ignal to chang elanes, you will
also receiv eavisual and audibl ecollision warn-
ing. If ariskofs ide impact is detected, correc-
tive brakin gmay help you avoid acollision.
Active Blind Spot Assis tevaluates th efree
spac eint hedirection of travel and to th eside
before makin gacourse-correcting brak eappli-
cation .For this, Active Blind Spot Assis tuses
th ef orward-facing rada rsensors.
Active Blind Spot Assis tsupport syou from a
speed of approximately 30 km/h.
Important safety notes Active Blind Spot Assis tisonlyana id and is not
as ubstitut efor attentive driving. G
WARNING
Active Blind Spot Assis tdoes no treac tto
vehicles:
R overtaking to oclosely on th eside ,placing
them in th eblinds pota rea
R if th edifference in th espeed of approach
and overtaking is to ogreat
As aresult ,Activ eBlind Spot Assis tmay nei-
ther giv ewarnings no rintervene in suchsit-
uations. There is ariskofana ccident.
Always pay careful attention to th etraffic sit-
uation and maintai nasafed istanc eattheside
of th evehicle.
Rada rsensors
The Active Blind Spot Assis trada rsensor sare
integrate dintot he fron tand rear bumpers and
behind acover in th eradiato rtrim. Mak esure
that th ebumpers and th ecover in th eradiator
trim are free of dirt, ice or slush. The rear sen-
sor sm ustn otbe covered, e.g. by bicycle racks
or overhangin gloads .Following asevere impact
or in th eevent of damage to th ebumpers ,have
th ef unction of th erada rsensor schecked at a
qualified specialist workshop .Activ eBlind Spot
Assis tmay otherwise no longer function prop-
erly.
Monitoring range G
WARNING
Active Blind Spot Assis tdoes no tdetec tall
traffic situation sand roa dusers. There is a
ris kofana ccident. Driving systems
221Driving and parking
Z